Features Made of stainless steel - Made of excellent stainless steel, wear-resistant, rust-proof and corrosion-resistant, sturdy and stable, not easy to bend. High Accuracy The measuring range is 0-150mm, with high accuracy, can be used to measure outer diameter, inner diameter, depth, etc. One-button conversion: one button for metric and imperial conversion, easy to operate, meeting different reading requirements. LCD Screen: Designed with a high-definition LCD display, this digital caliper displays reading clearly and intuitively. Storage Box: Compact size, lightweight, comes with a storage box, this digital caliper is very convenient to carry. Specification: Item Type: Digital Vernier Caliper Material: stainless steel Model: ET50 Measuring range: approx. 0-150 mm (0-6 inches). Resolution: approx. 0.001mm/0.0005in. Accuracy: approx. ±0.02mm/0.001in (<100mm), ±0.03mm/0.001in (>100-200mm) Repeatability: approx. 0.001mm/0.0005in. Maximum measurement speed: 1.5 m per second, 60 inches per second Measuring system: linear capacitance measurement system Display: LCD Operating temperature: 5°C to 40°C Power mode: 1 x LR44 180mAh button battery (built-in) Package list: 1 x Digital Caliper 1 manual. 1 x Storage Box Package List 1 x Digital Caliper 1 x Manual 1 x Storage Box